Home / 33,158.54-45,772.96-19,731.06

Finding the Fourth Proportional to 33,158.54, 45,772.96 and 19,731.06

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Solution

The fourth proportional to 33,158.54, 45,772.96 and 19,731.06 is: 27,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.54 : 45,772.96 = 19,731.06 : x
  2. Step 2: Convert to fraction form
    33,158.54/45,772.96 = 19,731.06/x
  3. Step 3: Cross multiply
    33,158.54x = 45,772.96 × 19,731.06
  4. Step 4: Simplify right side
    33,158.54x = 903,149,020.14
  5. Step 5: Solve for x
    x = 903,149,020.14/33,158.54
  6. Step 6: Final answer
    x = 27,237.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.